Deflation valve for sphygmomanometer



FIG. 1 is a perspective view of a deflation valve for sphygmomanometer showing our new design;

FIG. 2 is a front elevational view thereof, the rear elevational view being identical;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a cross-sectional view thereof, taken along line VII--VII of FIG. 4; and,

FIG. 8 is a reduced front elevational view thereof. design.

The broken line showing of the bulb is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a deflation valve for sphygmomanometer, as shown and described. 